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SIGMOD
2005
ACM
114views Database» more  SIGMOD 2005»
16 years 6 months ago
Semantic characterizations of navigational XPath
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
Maarten Marx, Maarten de Rijke
ENTCS
2010
77views more  ENTCS 2010»
15 years 6 months ago
Transparent First-class Futures and Distributed Components
Futures are special kind of values that allow the synchronisation of different processes. Futures are in fact identifiers for promised results of function calls that are still awa...
Antonio Cansado, Ludovic Henrio, Eric Madelaine
ADCM
2007
104views more  ADCM 2007»
15 years 6 months ago
Shape preserving histogram approximation
We present a new method for reconstructing the density function underlying a given histogram. First we analyze the univariate case taking the approximating function in a class of q...
Paolo Costantini, Francesca Pelosi
CORR
2010
Springer
136views Education» more  CORR 2010»
15 years 6 months ago
Max-min Fairness in 802.11 Mesh Networks
In this paper we build upon the recent observation that the 802.11 rate region is log-convex and, for the first time, characterise max-min fair rate allocations for a large class o...
Douglas J. Leith, Qizhi Cao, Vijay G. Subramanian
EOR
2007
65views more  EOR 2007»
15 years 6 months ago
Pseudolinear fuzzy mappings
Two classes of fuzzy mappings, called pseudolinear and g-pseudolinear fuzzy mappings are introduced by relaxing the definitions of pseudo-convex and pseudo-invex fuzzy mappings. ...
S. K. Mishra, Shouyang Wang, Kin Keung Lai